BUG at fs/jfs/jfs_txnmgr.c:932 assert(mp->nohomeok > 0) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_txnmgr.c:932! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 276 Comm: jfsCommit Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 77 de 06 0f 0b e8 68 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba a4 03 00 00 48 c7 c1 40 75 62 8a e8 d9 77 de 06 <0f> 0b e8 42 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba RSP: 0018:ffffc9000263fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 5d87267ac6979300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002882360 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff8880778865d0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002661330 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000057f000 CR3: 0000000050fc9000 CR4: 00000000003506f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: txLazyCommit fs/jfs/jfs_txnmgr.c:2717 [inline] jfs_lazycommit+0x581/0xb40 fs/jfs/jfs_txnmgr.c:2767 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Modules linked in: ---[ end trace 27eda8abc13becb1 ]--- RIP: 0010:txUnlock+0xc87/0xcb0 fs/jfs/jfs_txnmgr.c:932 Code: ff 77 de 06 0f 0b e8 68 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba a4 03 00 00 48 c7 c1 40 75 62 8a e8 d9 77 de 06 <0f> 0b e8 42 18 a6 fe 48 c7 c7 80 6a 62 8a 48 c7 c6 79 66 62 8a ba RSP: 0018:ffffc9000263fd28 EFLAGS: 00010246 RAX: 0000000000000037 RBX: 0000000000001000 RCX: 5d87267ac6979300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90002882360 R08: ffff8880b9133d7f R09: 1ffff110172267af R10: dffffc0000000000 R11: ffffed10172267b0 R12: ffff8880778865d0 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc90002661330 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4d43e5d40 CR3: 0000000024ab1000 CR4: 00000000003506f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000fffe0ff0 DR7: 0000000000000400